Send message when device go offline

[ogiewon]

I personally use @bertabcd1234 's "Device Activity Check" App. It is simple and works very reliably.

[RELEASE] Device Activity Check - Get notifications for "inactive" devices

(Putting this at the top to make it easier to find...explanation of the app is below.) This app is available on GitHub and is also available from Hubitat Package Manager: To install, just add the app from the above (raw link: https://raw.githubusercontent.com/RMoRobert/Hubitat/master/apps/DeviceActivityCheck/DeviceActivityCheck2.groovy) to "Apps Code." Or, find it in Hubitat Package Manager. App Description: While there have been at least a couple apps with similar purposes, none did exac…

Note: Hubitat's only official mechanism for true SMS messaging is to use their Twilio integration. However, you can also use numerous push notification solutions, including the Hubitat Mobile App, Pushover, and others.